Finding the Third Proportional to 8,641.69 and 16,486.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.69 : 16,486.03 = 16,486.03 : x
2. Step 2: Convert to fraction form
   8,641.69/16,486.03 = 16,486.03/x
3. Step 3: Cross multiply
   8,641.69x = 16,486.03 × 16,486.03
4. Step 4: Simplify right side
   8,641.69x = 271,789,226.38
5. Step 5: Solve for x
   x = 271,789,226.38/8,641.69
6. Step 6: Final answer
   x = 31,450.94